CN216913055U

CN216913055U - Automatic clamping device of milling machine

Info

Publication number: CN216913055U
Application number: CN202220749437.5U
Authority: CN
Inventors: 马东旭; 叶建伟; 杜昭蕾; 刘硕
Original assignee: Langfang Chinese Electromechanical Equipment Co ltd
Current assignee: Langfang Chinese Electromechanical Equipment Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-08
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses an automatic clamping device of a milling machine, which comprises a milling machine main body, wherein a fixed platform is arranged at the top of the milling machine main body, a workpiece supporting bracket is movably connected to the top of the fixed platform, a fixed frame is arranged on the milling machine main body, a connecting shaft is rotatably connected to the inner side of the fixed frame, a driving motor is arranged on one side of the fixed frame and is connected with the connecting shaft, a connecting arm is sleeved on the outer wall of the connecting shaft and is of an L-shaped structure, a top plate is arranged at the front end of the connecting arm, second air cylinders are arranged on the left side and the right side of the top plate, and a side clamping plate is arranged on one side of each second air cylinder. This milling machine automatic clamping device can set up the side splint in the left and right sides of roof to rear end pivoted roof through setting up at the fixed platform top, sets up splint at the front and back both ends of roof to both ends are fixed around the work piece through splint, and are fixed to the left and right sides of work piece through splint, avoid appearing the phenomenon of work piece displacement in the course of working from this.

Description

Automatic clamping device of milling machine

Technical Field

The utility model relates to the technical field of milling machine equipment, in particular to an automatic clamping device of a milling machine.

Background

The milling machine mainly refers to a machine tool for processing various surfaces of a workpiece by using a milling cutter; generally, the milling cutter mainly moves by rotary motion, and the movement of the workpiece and the milling cutter is feeding motion; it can process plane, groove, various curved surfaces, gear, etc.; the milling machine is a machine tool for milling a workpiece by using a milling cutter; the milling machine can mill planes, grooves, gear teeth, threads and spline shafts, can also process complex molded surfaces, has higher efficiency than a planer, and is widely applied to mechanical manufacturing and repairing departments; the milling machine is a machine tool with wide application, and planes (horizontal planes and vertical planes), grooves (key grooves, T-shaped grooves, dovetail grooves and the like), tooth dividing parts (gears, spline shafts and chain wheels), spiral surfaces (threads and spiral grooves) and various curved surfaces can be processed on the milling machine; in addition, the device can also be used for processing the surface and the inner hole of the revolving body, cutting off the revolving body, and the like; when the milling machine works, a workpiece is arranged on a workbench or accessories such as an indexing head, the milling cutter rotates to move mainly, and the workpiece can obtain a required processing surface by the aid of the feeding motion of the workbench or the milling head; the milling machine has high productivity due to the multi-edge intermittent cutting; in short, a milling machine is a machine tool that can mill, drill, and bore a workpiece.

At present, when a small-size workpiece is machined by a milling machine, a chuck is usually adopted for fixing, but the chuck is not suitable for the large-size or heavy workpiece, so that the other end of the workpiece is easy to be unstable, the machining effect is influenced, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic clamping device for a milling machine, which solves the problem that a large-size workpiece is not stably fixed on the milling machine in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme that the automatic clamping device of the milling machine comprises a milling machine main body, wherein a fixed platform is arranged at the top of the milling machine main body, the top of the fixed platform is movably connected with a workpiece supporting bracket, a fixed frame is arranged on the milling machine main body, and the inner side of the fixed frame is rotatably connected with a connecting shaft, one side of the fixed frame is provided with a driving motor which is connected with the connecting shaft, the outer wall of the connecting shaft is sleeved with a connecting arm, the connecting arm is of an L-shaped structure, the front end of the connecting arm is provided with a top plate, the left side and the right side of the top plate are both provided with second cylinders, and one side of the second cylinder is provided with a side clamping plate, the front end and the rear end of the top plate are both provided with a fixed plate, and a clamping plate is arranged on the inner side of the fixing plate, a first cylinder is arranged at the rear end of the fixing plate, and the front end of the first cylinder is connected with the clamping plate.

Preferably, both ends all seted up the side opening around fixed platform, and fixed platform's top has seted up the spout.

Preferably, the top plate is rotatably connected with the milling machine main body through a connecting arm.

Preferably, the bottom of the top plate is provided with a groove, a second sliding block is inserted into the groove, and the lower end of the second sliding block is provided with a side clamping plate.

Preferably, the side clamping plate and the top plate form sliding connection, and the structure of the groove in the top plate is matched with the structure of the second sliding block.

Preferably, a first sliding block is inserted into the sliding groove, a workpiece supporting bracket is arranged at the top of the first sliding block, and bolts are inserted into the first sliding block and the fixed platform.

Compared with the prior art, the utility model has the beneficial effects that: this milling machine automatic clamping device can set up the side splint in the left and right sides of roof to rear end pivoted roof through setting up at the fixed platform top, sets up splint at the front and back both ends of roof to both ends are fixed around the work piece through splint, and are fixed to the left and right sides of work piece through splint, avoid appearing the phenomenon of work piece displacement in the course of working from this.

Drawings

FIG. 1 is a schematic structural view of an automatic clamping device of a milling machine according to the present invention;

FIG. 2 is a top view of a fixed platform of the automatic clamping device of the milling machine of the present invention;

FIG. 3 is a schematic view of the connecting structure of the top plate and the side clamping plate of the automatic clamping device of the milling machine according to the present invention;

FIG. 4 is a side view of the top plate of the automatic clamping device of the milling machine of the present invention.

In the figure: 1. milling machine main part, 2, fixed platform, 3, first slider, 4, bolt, 5, work piece support bracket, 6, side opening, 7, roof, 8, fixed plate, 9, first cylinder, 10, splint, 11, linking arm, 12, side splint, 13, second cylinder, 14, mount, 15, connecting axle, 16, driving motor, 17, spout, 18, second slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the automatic clamping device of the milling machine comprises a milling machine main body 1, wherein a fixed platform 2 is arranged at the top of the milling machine main body 1, the milling machine main body 1 and the fixed platform 2 are fixed through bolts, a workpiece supporting bracket 5 is movably connected to the top of the fixed platform 2, the workpiece supporting bracket 5 can move transversely, so that the position of the workpiece supporting bracket 5 can be moved according to the length of a workpiece, the workpiece supporting bracket 5 is located at a proper lifting position, side openings 6 are formed in the front end and the rear end of the fixed platform 2, the fixed platform 2 and the side openings 6 are integrally connected, a sliding groove 17 is formed in the top of the fixed platform 2, and the fixed platform 2 and the sliding groove 17 are integrally connected; a first sliding block 3 is inserted into the sliding groove 17, the sliding groove 17 is in sliding connection with the first sliding block 3, a workpiece supporting bracket 5 is arranged at the top of the first sliding block 3, the first sliding block 3 and the workpiece supporting bracket 5 are welded and fixed, and a bolt 4 is inserted into the first sliding block 3 and the fixed platform 2; the milling machine main body 1 is provided with a fixing frame 14, the milling machine main body 1 and the fixing frame 14 are fixed through screws, the inner side of the fixing frame 14 is rotatably connected with a connecting shaft 15, one side of the fixing frame 14 is provided with a driving motor 16, the outer wall of the right side of the fixing frame 14 is fixedly connected with the outer wall of the driving motor 16 through screws, the driving motor 16 is connected with the connecting shaft 15 through a coupler, the outer wall of the connecting shaft 15 is sleeved with a connecting arm 11, the connecting shaft 15 and the connecting arm 11 are fixed through screws, the connecting arm 11 is of an L-shaped structure, the front end of the connecting arm 11 is provided with a top plate 7, the connecting arm 11 and the top plate 7 are fixed through screws, the left side and the right side of the top plate 7 are respectively provided with a second air cylinder 13, the top plate 7 and the outer wall of the second air cylinder 13 are fixed through screws, one side clamping plate 12 is arranged on one side of the second air cylinder 13, the left side of the second air cylinder 13 is fixedly connected with the side clamping plate 12 through screws, the side clamping plates 12 can clamp and limit the left side and the right side of the workpiece, and the top plate 7 is rotationally connected with the milling machine main body 1 through the connecting arm 11; a groove is formed in the bottom of the top plate 7, a second sliding block 18 is inserted into the groove, a side clamping plate 12 is arranged at the lower end of the second sliding block 18, and the second sliding block 18 and the side clamping plate 12 are fixed through screws; the side clamping plate 12 and the top plate 7 form sliding connection, and the structure of the groove on the top plate 7 is matched with the structure of the second sliding block 18; the front end and the rear end of the top plate 7 are respectively provided with a fixing plate 8, the top plate 7 and the fixing plate 8 are fixed through screws, the inner side of the fixing plate 8 is provided with a clamping plate 10, the fixing plate 8 and the clamping plate 10 are not fixed in a contact mode, the rear end of the fixing plate 8 is provided with a first air cylinder 9, the fixing plate 8 and the outer wall of the first air cylinder 9 are fixed through screws, the front end of the first air cylinder 9 is connected with the clamping plate 10, and the front end of the first air cylinder 9 and the clamping plate 10 are fixed through screws; this milling machine automatic clamping device can set up rear end pivoted roof 7 through setting up at 2 tops of fixed platform, sets up side splint 12 in the left and right sides of roof 7, and both ends set up splint 10 around roof 7 to can be fixed to the front and back both ends of work piece through splint 10, fixed to the left and right sides of work piece through splint 12, avoid appearing the phenomenon of displacement in the work piece course of working from this.

The working principle is as follows: when the automatic clamping device of the milling machine is used, firstly, the driving motor 16 is started, the driving motor 16 drives the connecting shaft 15 to rotate, the connecting shaft 15 drives the connecting arm 11 and the top plate 7 to rotate towards the rear end, the top plate 7 is rotated, then a workpiece to be processed is placed on the workpiece supporting bracket 5, before the workpiece is placed, the position of the workpiece supporting bracket 5 can be moved according to the length of the workpiece, when the workpiece is moved, the bolt 4 is taken down, then the workpiece supporting bracket 5 is pushed, the workpiece supporting bracket 5 is made to slide on the fixed platform 2 through the first sliding block 3 at the bottom of the workpiece supporting bracket 5, when the workpiece supporting bracket 5 is in a proper position, the first sliding block 3 is fixed with the fixed platform 2 through the bolt 4, when the workpiece is placed on the workpiece supporting bracket 5, the driving motor 16 is started, the driving motor 16 drives the connecting shaft 15 to rotate, the connecting shaft 15 drives the connecting arm 11 and the top plate 7 to rotate towards the front end to reset, then the second air cylinder 13 is started, the second air cylinder 13 pushes the side clamping plates 12 to clamp the left side and the right side of the workpiece, then the first air cylinder 9 is started, the first air cylinder 9 pushes the clamping plates 10 to fix the front end and the rear end of the workpiece, and then machining can be started, namely the working principle of the automatic clamping device of the milling machine.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. Milling machine self-holding device, including milling machine main part (1), its characterized in that: the milling machine comprises a milling machine body (1), a fixed platform (2) is arranged at the top of the milling machine body (1), a workpiece supporting bracket (5) is movably connected to the top of the fixed platform (2), a fixed frame (14) is arranged on the milling machine body (1), a connecting shaft (15) is rotatably connected to the inner side of the fixed frame (14), a driving motor (16) is arranged on one side of the fixed frame (14), the driving motor (16) is connected with the connecting shaft (15), a connecting arm (11) is sleeved on the outer wall of the connecting shaft (15), the connecting arm (11) is of an L-shaped structure, a top plate (7) is arranged at the front end of the connecting arm (11), second cylinders (13) are arranged on the left side and the right side of the top plate (7), side clamping plates (12) are arranged on one side of the second cylinders (13), fixed plate blocks (8) are arranged at the front end and the rear end of the top plate (7), and clamping plates (10) are arranged on the inner side of the fixed plate blocks (8), the rear end of the fixed plate (8) is provided with a first cylinder (9), and the front end of the first cylinder (9) is connected with a clamping plate (10).

2. The automatic clamping device for milling machine according to claim 1, characterized in that: side openings (6) are formed in the front end and the rear end of the fixed platform (2), and a sliding groove (17) is formed in the top of the fixed platform (2).

3. The automatic clamping device for milling machine according to claim 1, characterized in that: the top plate (7) is in rotary connection with the milling machine main body (1) through a connecting arm (11).

4. The automatic clamping device for milling machine according to claim 1, characterized in that: the bottom of the top plate (7) is provided with a groove, a second sliding block (18) is inserted into the groove, and the lower end of the second sliding block (18) is provided with a side clamping plate (12).

5. The automatic clamping device for milling machine according to claim 1, characterized in that: the side clamping plates (12) and the top plate (7) form sliding connection, and the structure of the groove in the top plate (7) is matched with that of the second sliding block (18).

6. The automatic clamping device for a milling machine according to claim 2, characterized in that: a first sliding block (3) is inserted into the sliding groove (17), a workpiece supporting bracket (5) is arranged at the top of the first sliding block (3), and a bolt (4) is inserted into the first sliding block (3) and the fixed platform (2).